Pentair MasterTemp Sta-Rite Max-E-Therm Heater Combination Gas Control Valve 42001-0051S
Used on the following models:
The Combination Gas Control Valve is located on right side of the heater on the top of the combustion chamber.
The Combination Gas Control Valve incorporates dual gas shut-off valves and a negative-pressure regulator. The negative-pressure regulator controls the outlet pressure to slightly below the reference pressure supplied to the regulator diaghragm by the went line.For proper operation, the regulated pressure at the outlet manifold of the valve must be 0.2 wc below the reference pressure, and the gas vent tap must be connect to the mixer inlet.